Timely Status Update in Wireless Uplinks: Analytical Solutions With Asymptotic Optimality
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2019.2893319
Abstract: In a typical Internet of Things (IoT) application where a central controller collects status updates from multiple terminals, e.g., sensors and monitors, through a wireless multiaccess uplink, an important problem is how to attain timely… read more here.
Keywords: status; update wireless; timely status; status update ... See more keywords
Timely Status Update in Internet of Things Monitoring Systems: An Age-Energy Tradeoff
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2019.2900528
Abstract: We consider an Internet of Things (IoT) monitoring system, in which an IoT device monitors a physical process and transmits randomly generated status updates to its associated access point (AP) as timely as possible. The… read more here.
Keywords: status; iot device; status update; internet things ... See more keywords
Status Update in IoT Networks: Age-of-Information Violation Probability and Optimal Update Rate
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2021.3051722
Abstract: The Internet of Things (IoT) has emerged as one of the key features of the next-generation wireless networks, where timely delivery of status update packets is essential for many real-time IoT applications. Age of Information… read more here.
Keywords: status update; violation probability; iot; probability ... See more keywords
Age of Information Analysis With Preemptive Packet Management
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2023.3242822
Abstract: The timely delivery of status update packets is essential for many real-time Internet of Things (IoT) applications. For monitoring and control, a key performance measure of interest is the Age of Information (AoI). We study… read more here.
Keywords: status update; age information; packet; age ... See more keywords
Age of Error Information and Throughput Tradeoff for IoT Status Update Systems With Truncated and Layer-Coded HARQ
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2023.3241109
Abstract: A novel status update system is designed by combining adaptive modulation and coding, and truncated and layer-coded hybrid automatic repeat request (T-L-HARQ). With the channel state information (CSI) at transmitter (CSIT), which is obtained from… read more here.
Keywords: information; status update; age; status ... See more keywords
Average AoI Minimization for Energy Harvesting Relay-aided Status Update Network Using Deep Reinforcement Learning
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2023.3278864
Abstract: A dual-hop status update system aided by energy harvesting (EH) relays with finite data and energy buffers is studied in this work. To achieve timely status updates, the best relays should be selected to minimize… read more here.
Keywords: energy harvesting; status update; energy; status ... See more keywords
Closed-Form Whittle’s Index-Enabled Random Access for Timely Status Update
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2019.2960346
Abstract: We consider a star-topology wireless network for status update where a central node collects status data from a large number of distributed machine-type terminals that share a wireless medium. The Age of Information (AoI) minimization… read more here.
Keywords: closed form; random access; access; status update ... See more keywords
On the Value of Information in Status Update Systems
Sign Up to like & getrecommendations! Published in 2022 at "Entropy"
DOI: 10.3390/e24040449
Abstract: The age of information (AoI) is now well established as a metric that measures the freshness of information delivered to a receiver from a source that generates status updates. This paper is motivated by the… read more here.
Keywords: information; voi; status update; packet ... See more keywords